diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index b6b33e463ac..06369d588f2 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3697,6 +3697,13 @@ static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig, writeback_inodes_sb_nr_if_idle(root->fs_info->sb, nr_pages, WB_REASON_FS_FREE_SPACE); + /* + * We need to wait for the async pages to actually start before + * we do anything. + */ + wait_event(root->fs_info->async_submit_wait, + !atomic_read(&root->fs_info->async_delalloc_pages)); + spin_lock(&space_info->lock); if (space_info->bytes_used + space_info->bytes_reserved + space_info->bytes_pinned + space_info->bytes_readonly + |